Finding the Fourth Proportional to 42,127.14, 63,105.93 and 19,961.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,127.14 : 63,105.93 = 19,961.89 : x
2. Step 2: Convert to fraction form
   42,127.14/63,105.93 = 19,961.89/x
3. Step 3: Cross multiply
   42,127.14x = 63,105.93 × 19,961.89
4. Step 4: Simplify right side
   42,127.14x = 1,259,713,633.01
5. Step 5: Solve for x
   x = 1,259,713,633.01/42,127.14
6. Step 6: Final answer
   x = 29,902.67